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Contrasting effects of biochar, compost and farm manure on alleviation of nickel toxicity in maize (Zea mays L.) in relation to plant growth, photosynthesis and metal uptake.
Ecotoxicol Environ Saf. 2016 Nov; 133:218-25.EE

Abstract

Nickel (Ni) toxicity in agricultural crops is a widespread problem while little is known about the role of biochar (BC) and other organic amendments like farm manure (FM) from cattle farm and compost (Cmp) on its alleviation. A greenhouse experiment was conducted to evaluate the effects of BC, Cmp and FM on physiological and biochemical characteristics of maize (Zea mays L.) under Ni stress. Maize was grown in Ni spiked soil without and with two rates of the amendments (equivalent to 1% and 2% organic carbon, OC) applied separately to the soil. After harvest, plant height, root length, dry weight, chlorophyll contents, gas exchange characteristics and trace elements in plants were determined. In addition, post-harvest soil characteristics like pHs, ECe and bioavailable Ni were also determined. Compared to the control, all of the amendments increased plant height, root length, shoot and root dry weight with the maximum increase in all parameters by FM (2% OC) treatment. Similarly, total chlorophyll contents and gas exchange characteristics significantly increased with the application of amendments being maximum with FM (2% OC) application. Amendments significantly increased copper, zinc, manganese and iron concentrations and decreased Ni concentrations in the plants. The highest reduction in shoot Ni concentration was recorded with FM (2% OC) followed by BC (2% OC) being 73.2% and 61.1% lower compared to the control, respectively. The maximum increase in soil pH and decrease in AB-DTPA extractable Ni was recorded with BC (2% OC) followed by FM (2% OC). It is concluded that FM (2% OC) was the most effective in reducing Ni toxicity to plants by reducing Ni uptake while BC (2% OC) was the most effective in decreasing bioavailable Ni in the soil through increasing soil pH. However, long-term field studies are needed to evaluate the effects of these amendments in reducing Ni toxicity in plants.

Authors+Show Affiliations

Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan.Department of Environmental Sciences and Engineering, Government College University, Allama Iqbal Road, 38000 Faisalabad, Pakistan. Electronic address: mrazi1532@yahoo.com.Department of Environmental Sciences and Engineering, Government College University, Allama Iqbal Road, 38000 Faisalabad, Pakistan.Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan.Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan; Chinese Academy of Science (CAS)-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, PR China.Soil Science Division, Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad, Pakistan.Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan.Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan.Korea Biochar Research Centre and Department of Biological Environment, Kangwon National University, Chuncheon 200-701, Republic of Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27467022

Citation

Rehman, Muhammad Zia-Ur, et al. "Contrasting Effects of Biochar, Compost and Farm Manure On Alleviation of Nickel Toxicity in Maize (Zea Mays L.) in Relation to Plant Growth, Photosynthesis and Metal Uptake." Ecotoxicology and Environmental Safety, vol. 133, 2016, pp. 218-25.
Rehman MZ, Rizwan M, Ali S, et al. Contrasting effects of biochar, compost and farm manure on alleviation of nickel toxicity in maize (Zea mays L.) in relation to plant growth, photosynthesis and metal uptake. Ecotoxicol Environ Saf. 2016;133:218-25.
Rehman, M. Z., Rizwan, M., Ali, S., Fatima, N., Yousaf, B., Naeem, A., Sabir, M., Ahmad, H. R., & Ok, Y. S. (2016). Contrasting effects of biochar, compost and farm manure on alleviation of nickel toxicity in maize (Zea mays L.) in relation to plant growth, photosynthesis and metal uptake. Ecotoxicology and Environmental Safety, 133, 218-25. https://doi.org/10.1016/j.ecoenv.2016.07.023
Rehman MZ, et al. Contrasting Effects of Biochar, Compost and Farm Manure On Alleviation of Nickel Toxicity in Maize (Zea Mays L.) in Relation to Plant Growth, Photosynthesis and Metal Uptake. Ecotoxicol Environ Saf. 2016;133:218-25. PubMed PMID: 27467022.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Contrasting effects of biochar, compost and farm manure on alleviation of nickel toxicity in maize (Zea mays L.) in relation to plant growth, photosynthesis and metal uptake. AU - Rehman,Muhammad Zia-Ur, AU - Rizwan,Muhammad, AU - Ali,Shafaqat, AU - Fatima,Nida, AU - Yousaf,Balal, AU - Naeem,Asif, AU - Sabir,Muhammad, AU - Ahmad,Hamaad Raza, AU - Ok,Yong Sik, Y1 - 2016/07/26/ PY - 2016/04/12/received PY - 2016/07/15/revised PY - 2016/07/19/accepted PY - 2016/7/29/entrez PY - 2016/7/29/pubmed PY - 2017/1/26/medline KW - Cereals KW - Growth KW - Ni toxicity KW - Organic amendments KW - Phytoremediation SP - 218 EP - 25 JF - Ecotoxicology and environmental safety JO - Ecotoxicol Environ Saf VL - 133 N2 - Nickel (Ni) toxicity in agricultural crops is a widespread problem while little is known about the role of biochar (BC) and other organic amendments like farm manure (FM) from cattle farm and compost (Cmp) on its alleviation. A greenhouse experiment was conducted to evaluate the effects of BC, Cmp and FM on physiological and biochemical characteristics of maize (Zea mays L.) under Ni stress. Maize was grown in Ni spiked soil without and with two rates of the amendments (equivalent to 1% and 2% organic carbon, OC) applied separately to the soil. After harvest, plant height, root length, dry weight, chlorophyll contents, gas exchange characteristics and trace elements in plants were determined. In addition, post-harvest soil characteristics like pHs, ECe and bioavailable Ni were also determined. Compared to the control, all of the amendments increased plant height, root length, shoot and root dry weight with the maximum increase in all parameters by FM (2% OC) treatment. Similarly, total chlorophyll contents and gas exchange characteristics significantly increased with the application of amendments being maximum with FM (2% OC) application. Amendments significantly increased copper, zinc, manganese and iron concentrations and decreased Ni concentrations in the plants. The highest reduction in shoot Ni concentration was recorded with FM (2% OC) followed by BC (2% OC) being 73.2% and 61.1% lower compared to the control, respectively. The maximum increase in soil pH and decrease in AB-DTPA extractable Ni was recorded with BC (2% OC) followed by FM (2% OC). It is concluded that FM (2% OC) was the most effective in reducing Ni toxicity to plants by reducing Ni uptake while BC (2% OC) was the most effective in decreasing bioavailable Ni in the soil through increasing soil pH. However, long-term field studies are needed to evaluate the effects of these amendments in reducing Ni toxicity in plants. SN - 1090-2414 UR - https://www.unboundmedicine.com/medline/citation/27467022/Contrasting_effects_of_biochar_compost_and_farm_manure_on_alleviation_of_nickel_toxicity_in_maize__Zea_mays_L___in_relation_to_plant_growth_photosynthesis_and_metal_uptake_ DB - PRIME DP - Unbound Medicine ER -